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The partition coefficients of ethylene between hydrate and vapor for methane plus ethylene plus water and methane plus ethylene plus SDS plus water systems
Zhang, LW; Chen, GJ; Sun, CY; Fan, SS; Ding, YM; Wang, XL; Yang, LY
2005-10-01
发表期刊CHEMICAL ENGINEERING SCIENCE
卷号60期号:19页码:5356-5362
摘要The hydrate formation of CH4 + C2H4 mixture was studied experimentally in two different cases, with and without the presence of sodium dodecyl sulfate (SDS) in water. The results manifested that the presence of SDS could not only accelerate the hydrate formation process, but also increase the partition coefficient of ethylene between hydrate and vapor drastically. The partition coefficients of ethylene between hydrate and vapor for methane + ethylene + water with the presence of 500 ppm SDS in water were then systematically measured. The experimental temperature ranged from 273.15 to 278.15 K, the pressure ranged from 2.5 to 5.5 MPa, the initial gas-liquid volume ratio ranged from 95 to 240 standard volumes of gas per volume of liquid, and the mole percentage of ethylene in feed gas mixture ranged from 5.28% to 79.36%. The results demonstrated that ethylene could be enriched in hydrate phase and partition coefficients were increased with the presence of SDS in water. This conclusion is of industrial significance; it implies that it is feasible to recover ethylene from gas mixture, e.g., various kinds of refinery gases or cracking gases in ethylene plant, by forming hydrate. (c) 2005 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Partition Coefficient Vapor Hydrate Methane Ethylene Sodium Dodecyl Sulfate
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2005.05.014
研究领域[WOS]Engineering
关键词[WOS]DISSOCIATION ; SURFACTANT
收录类别SCI
语种英语
WOS类目Engineering, Chemical
WOS记录号WOS:000231256700017
引用统计
被引频次:42[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10219
专题中国科学院广州能源研究所
作者单位1.Univ Petr, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China
2.Chinese Acad Sci, Ctr Gas Hydrate Res, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
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GB/T 7714
Zhang, LW,Chen, GJ,Sun, CY,et al. The partition coefficients of ethylene between hydrate and vapor for methane plus ethylene plus water and methane plus ethylene plus SDS plus water systems[J]. CHEMICAL ENGINEERING SCIENCE,2005,60(19):5356-5362.
APA Zhang, LW.,Chen, GJ.,Sun, CY.,Fan, SS.,Ding, YM.,...&Yang, LY.(2005).The partition coefficients of ethylene between hydrate and vapor for methane plus ethylene plus water and methane plus ethylene plus SDS plus water systems.CHEMICAL ENGINEERING SCIENCE,60(19),5356-5362.
MLA Zhang, LW,et al."The partition coefficients of ethylene between hydrate and vapor for methane plus ethylene plus water and methane plus ethylene plus SDS plus water systems".CHEMICAL ENGINEERING SCIENCE 60.19(2005):5356-5362.
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